Microservice: analyze the source code. The health check of Nacos is so simple
prefaceWe mentioned the health examination of Nacos many times, such as< Micro service: the service is too straightforward, and Nacos hasn't responded yet. What should we do? >In the article, the health check is also customized and tuned. So, how is Nacos's health check and heartbeat mechanism realized? Can Nacos's health examination mech ...
Posted by Paul Moran on Tue, 07 Dec 2021 00:38:09 -0800
Technical route of Chinese full-text retrieval (elastic search full-text retrieval, Chinese word segmentation ik, tika parsing documents)
Code in Open source warehouse 3 xxxhttps://github.com/3xxx/engineercmshttps://github.com/3xxx/engineercmsThe general idea is to install es and tika services with docker, upload word and other documents in cms, parse them with tika, get plain text, and submit them to es for storage. Front end retrieval, query in ES, return the highlighted text a ...
Posted by kf on Tue, 07 Dec 2021 00:46:04 -0800
Shiro integrates some configurations and problems of springboot
First, post the official website address https://shiro.apache.org/spring-framework.html
1, shiro configuration class
To use shiro, you must configure a shiroConfig configuration class, which requires three bean s:
Realm, custom realmDefaultwebsecuritymanager needs to pass the Realm parameterShiroFilterFactoryBean, you need to pass the defaul ...
Posted by andy666 on Tue, 07 Dec 2021 01:12:31 -0800
The latest Flink series tutorials in 2021__ Flink advanced API
day04_Flink advanced APIToday's goalFlink's four cornerstonesFlink Window operationFlink Time - TimeFlink Watermark watermark mechanismState management of Flink - keyed state and operator stateFlink's four cornerstonesCheckpoint - checkpoint, distributed consistency, data loss resolution, fault recovery, data storage is the global state, persis ...
Posted by valentin on Tue, 07 Dec 2021 00:18:57 -0800
Data visualization in python application -- downloading data
prefaceā we introduced the data generation methods through three articles, mainly including Installation of matplotlib,Application of random walk as well as Use pygal to simulate rolling dice . Next, this paper introduces the data - download data. As we all know, in data analysis and data visualization, data is the most fundamental. Analy ...
Posted by ketola on Tue, 07 Dec 2021 00:28:24 -0800
JavaBean introspection and BeanInfo
Java's BeanInfo is rarely used at work. When I was studying the spring source code, I found that a genus called "spring.beaninfo.ignore" will be set when SpringBoot starts. This configuration can only be found on the Internet, which means whether to skip the search of java BeanInfo and find no other information, but what is BeanInfo?
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Posted by cyclefiend2000 on Tue, 07 Dec 2021 00:00:32 -0800